We gave never done stage 2 or toddler formula (and have 3 healthy boys). Our youngest is 16 months old and still on infant Neocate. The toddler formula has more calories per ounce. I'm not sure if the vitamin/nutrient content is the same or not. Me, personally, I would just stick with the infant formula. Good luck to you!

We went to stage 2 at a year. It had more iron, and DD2 was anemic, even on formula.

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Kristen
Middle school teacher by day, super mom by night
Mommy to The Boss~2007, The Energizer Bunny~2009, and The Princess~2011
My kids are no longer in diapers, but somehow, my computer keeps finding its way back here...

We switched over at just over a year. Most kids just go to milk and skip toddler formula but my son had an ear issue and wasn't eating well so we kept him on toddler formula for 6 more months.

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hand spinning, soap making, sheep raising wife to my hardworking and FT WOHM to my 'lil & 6 angels in heaven & our rainbow baby that joined us safely this summer!
ISO: Formula Checks- if you have some you won't use we would love to have them!
NB Diapers for sale: http://www.diaperswappers.com/forum/....php?t=1594851